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Finding the Fourth Proportional to 45,222, 62,406.36 and 25,350

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Solution

The fourth proportional to 45,222, 62,406.36 and 25,350 is: 34,983

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,222 : 62,406.36 = 25,350 : x
  2. Step 2: Convert to fraction form
    45,222/62,406.36 = 25,350/x
  3. Step 3: Cross multiply
    45,222x = 62,406.36 × 25,350
  4. Step 4: Simplify right side
    45,222x = 1,582,001,226
  5. Step 5: Solve for x
    x = 1,582,001,226/45,222
  6. Step 6: Final answer
    x = 34,983

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.